The Washington Suburban Sanitary Commission has notices of violations against Sturge dating back nearly a decade.

Lyn Riggins, spokesperson for WSSC, said, "He does not have a current WSSC license, and is apparently doing work without permits or inspections."

Sturge, who declined an interview with 7 On Your Side, blamed the issues at Rodriguez' home on a sub-contractor.

After repeated calls from 7 On Your Side, Rodriguez' money was returned to him.

"It's definitely a relief. I feel great," Rodriguez said.

To do plumbing work in Prince George's and Montgomery counties, plumbers have to be licensed through WSSC. The name of the company and license number should be clearly displayed on the company's vehicle.

7 On Your Side's Kris Van Cleave also suggests getting multiple estimates before choosing a plumber, and advises that WSSC will come out to customers' homes and inspect work after it is completed.